Home / 3,217.11-4,825.47-1,137.15

Finding the Fourth Proportional to 3,217.11, 4,825.47 and 1,137.15

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Solution

The fourth proportional to 3,217.11, 4,825.47 and 1,137.15 is: 1,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.11 : 4,825.47 = 1,137.15 : x
  2. Step 2: Convert to fraction form
    3,217.11/4,825.47 = 1,137.15/x
  3. Step 3: Cross multiply
    3,217.11x = 4,825.47 × 1,137.15
  4. Step 4: Simplify right side
    3,217.11x = 5,487,283.21
  5. Step 5: Solve for x
    x = 5,487,283.21/3,217.11
  6. Step 6: Final answer
    x = 1,705.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.